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& UMMARY: <br /> The Zinc Limitation of 0.1345 mg/L. in Ord►ance No 1028 Series 1990 under Section <br /> 13.32.120 SPF•CIFIC POLLUTANT UMITA'IIONS was derived from the limitation set <br /> forth in the Wastewater Plant's NPDES Discharge Permit_ The previous NPDES limitation. <br /> was 0.045 mg/L and in 1992 the Water Quality Control Division (WQCD) of the Colorado <br /> Department of Health (CDOH) amended the plant NPDES limitation to 0.142 mg/L. The <br /> amendetnent was due to the WQCD adopting a revised method of calculating Zinc <br /> limitations for all NPDIS discharges. Plant staff recalculated the Sewer Use Ordinance <br /> limit and arrived at a limit of 0.3131 mg/L and submitted the proper documents to EPA <br /> for approval of the revised zinc limitation. On Septemher 14, 1994 the EPA granted <br /> approval of this revised limitation. <br /> tlltfCOMMEMOATW�..: <br /> Mayor and Council approve Ordinance No. 1182, Series 1995 - <br /> Second and final reading. <br /> 1%,_ <br />